Low Cost Design of a Hybrid Architecture of Integer Inverse DCT for H.264, VC-1, AVS, and HEVC

Table 4

Comparison of the resource-shared 8-point 1-D IDCT architecture.

Scheme	Tech.	Gate count	Freq. (MHz)	Full HD support?	Super Resolution support?	Supporting standards
						H.264	VC-1	AVS	HEVC
Lee’s [8]	0.13 μm	19.1 K	136	Y	o	Y	Y	o	o
Kim’s [9]	0.13 μm	30.9 K	151	o	o	Y	Y	o	o
Qi’s [10]	0.13 μm	18 K	100	Y	o	Y	Y	o	o
Lee’s [11]	0.13 μm	10.5 K	123	o	o	Y	Y	o	o
Wahid’s [12]	0.18 μm	19.8 K	194.7	Y	o	Y	Y	Y	o
Liu’s [13]	0.13 μm	16.5 K	110.8	—	—	Y	Y	Y	o
Fan’s [14]	0.18 μm	7.14 K	100	—	—	Y	Y	o	o
Li’s [19]	0.18 μm	13.7 K	200	Y	o	Y	o	o	o
Proposed	0.18 μm	39.3 K	200.8	Y	Y	Y	Y	Y	Y

“Y”: yes; “o”: No; “—”: no information.